diff --git a/physics/GWD/drag_suite.F90 b/physics/GWD/drag_suite.F90 index ff68f4216..8777a0ae4 100644 --- a/physics/GWD/drag_suite.F90 +++ b/physics/GWD/drag_suite.F90 @@ -219,8 +219,8 @@ subroutine drag_suite_run( & & dusfc_ms,dvsfc_ms,dusfc_bl,dvsfc_bl, & & dusfc_ss,dvsfc_ss,dusfc_fd,dvsfc_fd, & & slmsk,br1,hpbl, & - & g, cp, rd, rv, fv, pi, imx, cdmbgwd, me, master, & - & lprnt, ipr, rdxzb, dx, gwd_opt, & + & g, cp, rd, rv, fv, pi, imx, cdmbgwd, alpha_fd, & + & me, master, lprnt, ipr, rdxzb, dx, gwd_opt, & & do_gsl_drag_ls_bl, do_gsl_drag_ss, do_gsl_drag_tofd, & & dtend, dtidx, index_of_process_orographic_gwd, & & index_of_temperature, index_of_x_wind, & @@ -327,7 +327,8 @@ subroutine drag_suite_run( & integer, intent(in) :: gwd_opt logical, intent(in) :: lprnt integer, intent(in) :: KPBL(:) - real(kind=kind_phys), intent(in) :: deltim, G, CP, RD, RV, cdmbgwd(:) + real(kind=kind_phys), intent(in) :: deltim, G, CP, RD, RV, & + cdmbgwd(:), alpha_fd real(kind=kind_phys), intent(inout) :: dtend(:,:,:) logical, intent(in) :: ldiag3d integer, intent(in) :: dtidx(:,:), index_of_temperature, & @@ -443,6 +444,7 @@ subroutine drag_suite_run( & real(kind=kind_phys), dimension(im,km) :: utendform,vtendform real(kind=kind_phys) :: a1,a2,wsp real(kind=kind_phys) :: H_efold + real(kind=kind_phys), parameter :: coeff_fd = 6.325e-3_kind_phys ! critical richardson number for wave breaking : ! larger drag with larger value real(kind=kind_phys), parameter :: ric = 0.25 @@ -1362,8 +1364,10 @@ subroutine drag_suite_run( & H_efold = 1500. DO k=kts,km wsp=SQRT(uwnd1(i,k)**2 + vwnd1(i,k)**2) - ! alpha*beta*Cmd*Ccorr*2.109 = 12.*1.*0.005*0.6*2.109 = 0.0759 - var_temp = 0.0759*EXP(-(zl(i,k)/H_efold)**1.5)*a2* & + ! Note: In Beljaars et al. (2004): + ! alpha_fd*beta*Cmd*Ccorr*2.109 = 12.*1.*0.005*0.6*2.109 = 0.0759 + ! lump beta*Cmd*Ccorr*2.109 into 1.*0.005*0.6*2.109 = coeff_fd ~ 6.325e-3_kind_phys + var_temp = alpha_fd*coeff_fd*EXP(-(zl(i,k)/H_efold)**1.5)*a2* & zl(i,k)**(-1.2)*ss_taper(i) ! this is greater than zero ! Note: This is a semi-implicit treatment of the time differencing ! per Beljaars et al. (2004, QJRMS) diff --git a/physics/GWD/drag_suite.meta b/physics/GWD/drag_suite.meta index 94dddcc93..a3c50f334 100644 --- a/physics/GWD/drag_suite.meta +++ b/physics/GWD/drag_suite.meta @@ -501,6 +501,14 @@ type = real kind = kind_phys intent = in +[alpha_fd] + standard_name = alpha_coefficient_for_turbulent_orographic_form_drag + long_name = alpha coefficient for Beljaars et al turbulent orographic form drag + units = none + dimensions = () + type = real + kind = kind_phys + intent = in [me] standard_name = mpi_rank long_name = rank of the current MPI task diff --git a/physics/GWD/ugwpv1_gsldrag.F90 b/physics/GWD/ugwpv1_gsldrag.F90 index 9303e0221..426cb17f3 100644 --- a/physics/GWD/ugwpv1_gsldrag.F90 +++ b/physics/GWD/ugwpv1_gsldrag.F90 @@ -307,7 +307,7 @@ subroutine ugwpv1_gsldrag_run(me, master, im, levs, ak, bk, ntrac, lonr, dtp, fhzero, kdt, ldiag3d, lssav, flag_for_gwd_generic_tend, do_gsl_drag_ls_bl, & do_gsl_drag_ss, do_gsl_drag_tofd, do_ugwp_v1, do_ugwp_v1_orog_only, & do_ugwp_v1_w_gsldrag, gwd_opt, do_tofd, ldiag_ugwp, ugwp_seq_update, & - cdmbgwd, jdat, nmtvr, hprime, oc, theta, sigma, gamma, & + cdmbgwd, alpha_fd, jdat, nmtvr, hprime, oc, theta, sigma, gamma, & elvmax, clx, oa4, varss,oc1ss,oa4ss,ol4ss, dx, xlat, xlat_d, sinlat, coslat, & area, rain, br1, hpbl, kpbl, slmsk, & ugrs, vgrs, tgrs, q1, prsi, prsl, prslk, phii, phil, del, tau_amf, & @@ -371,7 +371,7 @@ subroutine ugwpv1_gsldrag_run(me, master, im, levs, ak, bk, ntrac, lonr, dtp, ! SSO parameters and variables integer, intent(in) :: gwd_opt !gwd_opt and nmtvr are "redundant" controls integer, intent(in) :: nmtvr - real(kind=kind_phys), intent(in) :: cdmbgwd(:) ! for gsl_drag + real(kind=kind_phys), intent(in) :: cdmbgwd(:), alpha_fd ! for gsl_drag real(kind=kind_phys), intent(in), dimension(:) :: hprime, oc, theta, sigma, gamma diff --git a/physics/GWD/ugwpv1_gsldrag.meta b/physics/GWD/ugwpv1_gsldrag.meta index 73d7eee1c..65d9bf727 100644 --- a/physics/GWD/ugwpv1_gsldrag.meta +++ b/physics/GWD/ugwpv1_gsldrag.meta @@ -459,6 +459,14 @@ type = real kind = kind_phys intent = in +[alpha_fd] + standard_name = alpha_coefficient_for_turbulent_orographic_form_drag + long_name = alpha coefficient for Beljaars et al turbulent orographic form drag + units = none + dimensions = () + type = real + kind = kind_phys + intent = in [jdat] standard_name = date_and_time_of_forecast_in_united_states_order long_name = current forecast date and time diff --git a/physics/GWD/unified_ugwp.F90 b/physics/GWD/unified_ugwp.F90 index 0bcbc4f62..a252435a4 100644 --- a/physics/GWD/unified_ugwp.F90 +++ b/physics/GWD/unified_ugwp.F90 @@ -250,7 +250,7 @@ subroutine unified_ugwp_run(me, master, im, levs, ak,bk, ntrac, dtp, fhzero, kdt dvsfc_ss,dusfc_fd,dvsfc_fd,dtaux2d_ms,dtauy2d_ms,dtaux2d_bl,dtauy2d_bl, & dtaux2d_ss,dtauy2d_ss,dtaux2d_fd,dtauy2d_fd,dudt_ngw,dvdt_ngw,dtdt_ngw, & br1,hpbl,slmsk, do_tofd, ldiag_ugwp, ugwp_seq_update, & - cdmbgwd, jdat, xlat, xlat_d, sinlat, coslat, area, & + cdmbgwd, alpha_fd, jdat, xlat, xlat_d, sinlat, coslat, area, & ugrs, vgrs, tgrs, q1, prsi, prsl, prslk, phii, phil, & del, kpbl, dusfcg, dvsfcg, gw_dudt, gw_dvdt, gw_dtdt, gw_kdis, & tau_tofd, tau_mtb, tau_ogw, tau_ngw, zmtb, zlwb, zogw, & @@ -287,7 +287,7 @@ subroutine unified_ugwp_run(me, master, im, levs, ak,bk, ntrac, dtp, fhzero, kdt real(kind=kind_phys), intent(in), dimension(:,:) :: del, ugrs, vgrs, tgrs, prsl, prslk, phil real(kind=kind_phys), intent(in), dimension(:,:) :: prsi, phii real(kind=kind_phys), intent(in), dimension(:,:) :: q1 - real(kind=kind_phys), intent(in) :: dtp, fhzero, cdmbgwd(:) + real(kind=kind_phys), intent(in) :: dtp, fhzero, cdmbgwd(:), alpha_fd integer, intent(in) :: jdat(:) logical, intent(in) :: do_tofd, ldiag_ugwp, ugwp_seq_update @@ -497,8 +497,8 @@ subroutine unified_ugwp_run(me, master, im, levs, ak,bk, ntrac, dtp, fhzero, kdt dvsfcg,dusfc_ms,dvsfc_ms,dusfc_bl,dvsfc_bl, & dusfc_ss,dvsfc_ss,dusfc_fd,dvsfc_fd, & slmsk,br1,hpbl,con_g,con_cp,con_rd,con_rv, & - con_fvirt,con_pi,lonr, & - cdmbgwd,me,master,lprnt,ipr,rdxzb,dx,gwd_opt, & + con_fvirt,con_pi,lonr,cdmbgwd,alpha_fd, & + me,master,lprnt,ipr,rdxzb,dx,gwd_opt, & do_gsl_drag_ls_bl,do_gsl_drag_ss,do_gsl_drag_tofd, & dtend, dtidx, index_of_process_orographic_gwd, & index_of_temperature, index_of_x_wind, & diff --git a/physics/GWD/unified_ugwp.meta b/physics/GWD/unified_ugwp.meta index a08ee3960..08724b7e8 100644 --- a/physics/GWD/unified_ugwp.meta +++ b/physics/GWD/unified_ugwp.meta @@ -685,6 +685,14 @@ type = real kind = kind_phys intent = in +[alpha_fd] + standard_name = alpha_coefficient_for_turbulent_orographic_form_drag + long_name = alpha coefficient for Beljaars et al turbulent orographic form drag + units = none + dimensions = () + type = real + kind = kind_phys + intent = in [jdat] standard_name = date_and_time_of_forecast_in_united_states_order long_name = current forecast date and time